Hers some info....
https://reefbuilders.com/2012/09/27/...biocubes-orca/
Normal biocubes if you've got no3 and po4
Titanium biocubes if you only have no3
Buy them here....(I think he's in Quebec). J&L had them at one point and might be able to source some (talk to Jeff).
Reef Concept
I'll say it again...
Bio-cubes 100% of the way!!!
Dont look back -
cheap, simple & effective!
I used to use Biopellets and stopped..... Waist of money, time & energy.